Automobile swing arm assembly convenient to install

Abstract

The utility model relates to the technical field of automobile swing arms, and discloses a convenient-to-install automobile swing arm assembly which comprises an arm body, a rotating rod is rotatably connected in the arm body, a fixing block is fixedly connected to the center of the rotating rod, a damper is slidably connected in the fixing block, a worm is rotatably connected in the fixing block, and the worm is fixedly connected with the rotating rod. A first driving block is fixedly connected to one end of the worm, a first positive and negative tooth lead screw is rotatably connected to the interior of the fixing block, a worm gear is fixedly connected to the center of the outer wall of the first positive and negative tooth lead screw and meshed with the worm, and inserting blocks are slidably connected to the two sides of the interior of the fixing block. According to the damper, the first driving block drives the worm, the worm can drive the first positive and negative tooth lead screw to rotate through the worm gear, the first positive and negative tooth lead screw can drive the insertion block to be inserted into the damper through the sliding plate, the problem that the damper is inconvenient to install is solved, and the convenience of maintenance and replacement of the damper is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile swing arms, in particular to an automobile swing arm assembly which is easy to install. Background Art

[0002] The automobile swing arm assembly is the core component of the automobile suspension system. It has a complex and odd structure, high product technology content, and great manufacturing technology difficulty. It is an automobile component with physical strength, bending deformation, earthquake resistance, and wear resistance, and its safety and reliability meet 100% requirements under millions of high-load impacts.

[0003] After searching, a new suspension swing arm structure is disclosed in the announcement number: CN214728011U, including a swing arm body made by sheet metal stamping, a ball pin assembly is connected to the top of the swing arm body, the ball pin assembly is connected to the steering knuckle, the left and right sides of the lower end of the swing arm body are symmetrically connected to bushing steel pipes, and a damper bracket is fixedly connected to the surface of the swing arm body by welding. The new suspension swing arm structure provided by the utility model has high structural strength, simple structure, low manufacturing cost, increased space utilization, good reliability, and good practicality. The installation of the damper in this application is very inconvenient, which will make its maintenance and replacement more troublesome, and may have a negative impact on the performance, safety and maintenance cost of the vehicle. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an automobile swing arm assembly that is easy to install, aiming to improve the problem that the installation of the damper in the existing automobile swing arm assembly is very inconvenient, which leads to troublesome maintenance and replacement thereof.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an automobile swing arm assembly that is easy to install, comprising an arm body, a rotating rod rotatably connected inside the arm body, a fixed block fixedly connected to the center of the rotating rod, a damper slidably connected inside the fixed block, a worm rotatably connected inside the fixed block, one end of the worm is fixedly connected to a driving block, a positive and negative threaded rod rotatably connected inside the fixed block, a worm wheel fixedly connected to the center of the outer wall of the positive and negative threaded rod, the worm wheel meshes with the worm, plug blocks are slidably connected to both sides of the fixed block, a slide plate is fixedly connected to the bottom of the plug block, sliding grooves are provided on both sides of the fixed block, the outer wall of the slide plate is slidably connected to the inside of the sliding groove, one side of the slide plate is threadedly connected to the outer wall of the positive and negative threaded rod, and a mounting component is arranged inside the arm body.

[0006] Through the above technical solution, the worm is driven by the driving block 1, and the worm can drive the forward and reverse screw rod 1 to rotate through the worm wheel, and the forward and reverse screw rod 1 can drive the insertion block through the slide plate to insert into the damper.

[0007] Furthermore, the mounting assembly comprises a rotating shaft and a fixed column, the outer wall of the rotating shaft is rotatably connected to one side of the inner part of the arm body, and one side of the outer wall of the fixed column is fixedly connected to one end of the rotating shaft.

[0008] Through the above technical solution, the fixed column is connected by the rotating shaft.

[0009] Furthermore, a connecting rod 1 is rotatably connected inside the fixed column, and one end of the connecting rod 1 is fixedly connected to a driving block 2.

[0010] Through the above technical solution, the driving block 2 drives the connecting rod 1.

[0011] Furthermore, the other end of the connecting rod 1 is fixedly connected to a bevel gear 1, and the interior of the fixed column is rotatably connected to a forward and reverse threaded screw rod 2.

[0012] Through the above technical solution, the positive and negative threaded screws 2 rotate inside the fixed column.

[0013] Furthermore, the outer wall of the second forward and reverse threaded screw rod is fixedly connected with the second bevel gear, and one end of the second forward and reverse threaded screw rod is fixedly connected with the second connecting rod.

[0014] Through the above technical solution, the bevel gear 2 can drive the forward and reverse screw rod 2.

[0015] Furthermore, the bevel gear 2 is meshed with the outer wall of the bevel gear 1, and one end of the connecting rod 2 is rotatably connected to the inside of the fixing column.

[0016] Through the above technical solution, bevel gear one can drive bevel gear two.

[0017] Furthermore, movable blocks are threadedly connected to both sides of the outer walls of the positive and negative threaded screw rods, and a ring-shaped array of clamping blocks is slidably connected inside the fixed column.

[0018] Through the above technical solution, the movable block is driven by the two positive and negative screw rods.

[0019] Furthermore, the outer wall of the movable block is rotatably connected to a transmission rod of an annular array, and one side of the transmission rod is rotatably connected to one side of the outer wall of the clamping block.

[0020] Through the above technical solution, the clamping block is driven by the transmission rod.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the worm is first driven by a driving block, and the worm can drive the positive and negative threaded screw to rotate through the worm wheel, and the positive and negative threaded screw can drive the insert block to be inserted into the damper through the slide plate, thereby solving the problem of inconvenient installation of the damper and improving the convenience of maintenance and replacement of the damper.

[0023] 2. In the utility model, firstly, the bevel gear one is driven by the driving block two, and then the bevel gear one can drive the forward and reverse screw rods two to rotate through the bevel gear two, and then the forward and reverse screw rods two drive the movable blocks on both sides to move, so as to drive the card block through the transmission rod, and then the card block can be inserted into the installation position, which solves the problem of inconvenient installation of the swing arm and improves the convenience of installation of the swing arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of an automobile swing arm assembly that is easy to install, as proposed by the utility model;

[0025] Figure 2 This is a schematic cross-sectional structure diagram of a fixing block of an automobile swing arm assembly that is easy to install, as proposed by the utility model;

[0026] Figure 3 This is a schematic cross-sectional view of an arm body of an automobile swing arm assembly that is easy to install, as proposed by the utility model;

[0027] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0028] Legend:

[0029] 1. Arm body; 2. Fixed column; 3. Rotating rod; 4. Fixed block; 5. Damper; 6. Slide plate; 7. Slide groove; 8. Front and rear screw rod 1; 9. Worm gear; 10. Driving block 1; 11. Worm; 12. Rotating shaft; 13. Driving block 2; 14. Connecting rod 1; 15. Bevel gear 1; 16. Connecting rod 2; 17. Bevel gear 2; 18. Front and rear screw rod 2; 19. Movable block; 20. Transmission rod; 21. Block; 22. Insert block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 and Figure 2The utility model provides an embodiment: an automobile swing arm assembly that is easy to install, including an arm body 1, a rotating rod 3 is rotatably connected inside the arm body 1, a fixed block 4 is fixedly connected to the center of the rotating rod 3, a damper 5 is slidably connected inside the fixed block 4, a worm 11 is rotatably connected inside the fixed block 4, one end of the worm 11 is fixedly connected to a driving block 10, a positive and negative threaded rod 8 is rotatably connected inside the fixed block 4, a worm wheel 9 is fixedly connected to the center of the outer wall of the positive and negative threaded rod 8, the worm wheel 9 is meshed with the worm 11, both sides of the fixed block 4 are slidably connected with an insert block 22, the bottom of the insert block 22 is fixedly connected with a slide plate 6, both sides of the fixed block 4 are provided with a slide groove 7, the outer wall of the slide plate 6 is slidably connected inside the slide groove 7, and one side of the slide plate 6 is threadedly connected to the outer wall of the positive and negative threaded rod 8;

[0032] Specifically, when the damper 5 is fixed, the damper 5 can be inserted into the fixing block 4, and then the driving block 10 drives the worm 11 to rotate. The rotation of the worm 11 will drive the worm wheel 9 to rotate together, and then through the movement of the worm wheel 9, the forward and reverse screw rods 8 are driven to rotate. With the rotation of the forward and reverse screw rods 8, the slides 6 on both sides will slide inward synchronously. This process causes the insert block 22 to shrink inward and finally be inserted into the interior of the damper 5, thereby fixing the damper 5 at the desired position.

[0033] Reference Figure 1 and Figure 3 The arm body 1 is provided with a mounting assembly inside, the mounting assembly includes a rotating shaft 12 and a fixed column 2, the outer wall of the rotating shaft 12 is rotatably connected to one side inside the arm body 1, and one side of the outer wall of the fixed column 2 is fixedly connected to one end of the rotating shaft 12;

[0034] Specifically, the rotating shaft 12 rotates inside the arm body 1, and the fixed column 2 is fixed by the rotating shaft 12. After the swing arm is installed through the fixed column 2, the swing arm can rotate freely.

[0035] Reference Figure 3 and Figure 4 , a connecting rod 14 is rotatably connected inside the fixed column 2, one end of the connecting rod 14 is fixedly connected to a driving block 2 13, and the other end of the connecting rod 14 is fixedly connected to a bevel gear 15, and a positive and negative threaded rod 2 18 is rotatably connected inside the fixed column 2, and the outer wall of the positive and negative threaded rod 2 18 is fixedly connected to a bevel gear 2 17, and one end of the positive and negative threaded rod 2 18 is fixedly connected to a connecting rod 2 16, and the bevel gear 2 17 is meshed with the outer wall of the bevel gear 15, and one end of the connecting rod 2 16 is rotatably connected to the inside of the fixed column 2, and both sides of the outer wall of the positive and negative threaded rod 2 18 are threadedly connected to movable blocks 19, and a circular array of card blocks 21 are slidably connected inside the fixed column 2, and the outer wall of the movable block 19 is rotatably connected to a transmission rod 20 of a circular array, and one side of the transmission rod 20 is rotatably connected to one side of the outer wall of the card block 21;

[0036] Specifically, in the installation of the swing arm, the driving block 2 13 can drive the bevel gear 15 to rotate through the connecting rod 14, and then the bevel gear 15 is meshed with the bevel gear 2 17 to drive the forward and reverse screw rods 2 18 to rotate. With the rotation of the forward and reverse screw rods 2 18, the movable blocks 19 on both sides will move inward synchronously. In this process, the movable blocks 19 on both sides cooperate with each other, and the blocking block 21 is pushed out through the transmission rod 20. Finally, after the blocking block 21 is pushed out, the fixed column 2 can be installed and fixed at the desired position, and the installation of the fixed column 2 is finally completed.

[0037] Working principle: when the damper 5 is fixed, the damper 5 can be inserted into the fixed block 4, and then the driving block 10 drives the worm 11 to rotate, then the worm 11 can drive the worm wheel 9 to rotate, so that the worm wheel 9 drives the forward and reverse screw rod 8 to rotate, and under the rotation of the forward and reverse screw rod 8, the slide plates 6 on both sides can be driven to slide inward synchronously, thereby driving the insert block 22 to retract inward and insert into the damper 5, so as to fix the damper 5. When the swing arm is installed, the driving block 2 13 can drive the bevel gear 15 to rotate through the connecting rod 14, and then the bevel gear 15 drives the forward and reverse screw rod 2 18 to rotate through the engagement with the bevel gear 2 17, then the forward and reverse screw rod 2 18 can drive the movable blocks 19 on both sides to move inward synchronously, so that the movable blocks 19 on both sides cooperate with each other, and the block 21 is pushed out through the transmission rod 20, so that the fixed column 2 can be installed and fixed.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automobile swing arm assembly that is easy to install, comprising an arm body (1), characterized in that: The arm body (1) is rotatably connected to a rotating rod (3), the center of the rotating rod (3) is fixedly connected to a fixed block (4), the fixed block (4) is slidably connected to a damper (5), the fixed block (4) is rotatably connected to a worm (11), one end of the worm (11) is fixedly connected to a driving block (10), the fixed block (4) is rotatably connected to a positive and negative threaded rod (8), the center of the outer wall of the positive and negative threaded rod (8) is fixedly connected to a worm wheel (9), the worm wheel (9) is meshed with the worm (11), both sides of the fixed block (4) are slidably connected to plug blocks (22), the bottom of the plug block (22) is fixedly connected to a slide plate (6), both sides of the fixed block (4) are provided with slide grooves (7), the outer wall of the slide plate (6) is slidably connected to the inside of the slide groove (7), one side of the slide plate (6) is threadedly connected to the outer wall of the positive and negative threaded rod (8), and a mounting assembly is provided inside the arm body (1).

2. The automobile swing arm assembly that is easy to install according to claim 1 is characterized in that: The mounting assembly comprises a rotating shaft (12) and a fixed column (2); the outer wall of the rotating shaft (12) is rotatably connected to one side of the interior of the arm body (1); and one side of the outer wall of the fixed column (2) is fixedly connected to one end of the rotating shaft (12).

3. The automobile swing arm assembly that is easy to install according to claim 2 is characterized in that: A connecting rod 1 (14) is rotatably connected inside the fixed column (2), and one end of the connecting rod 1 (14) is fixedly connected to a driving block 2 (13).

4. The automobile swing arm assembly that is easy to install according to claim 3 is characterized in that: The other end of the connecting rod 1 (14) is fixedly connected to a bevel gear 1 (15), and the interior of the fixed column (2) is rotatably connected to a forward and reverse threaded rod 2 (18).

5. The automobile swing arm assembly that is easy to install according to claim 4 is characterized in that: The outer wall of the second positive and negative threaded rod (18) is fixedly connected to the second bevel gear (17), and one end of the second positive and negative threaded rod (18) is fixedly connected to the second connecting rod (16).

6. The automobile swing arm assembly that is easy to install according to claim 5, characterized in that: The second bevel gear (17) is meshed with the outer wall of the first bevel gear (15), and one end of the second connecting rod (16) is rotatably connected to the inside of the fixed column (2).

7. The automobile swing arm assembly that is easy to install according to claim 6 is characterized in that: Both sides of the outer wall of the two positive and negative threaded rods (18) are threadedly connected with movable blocks (19), and the interior of the fixed column (2) is slidably connected with a ring array of clamping blocks (21).

8. The automobile swing arm assembly that is easy to install according to claim 7 is characterized in that: The outer wall of the movable block (19) is rotatably connected to a transmission rod (20) in an annular array, and one side of the transmission rod (20) is rotatably connected to one side of the outer wall of the clamping block (21).

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